|
gptkbp:instanceOf
|
granite
|
|
gptkbp:associatedMinerals
|
gptkb:epidote
gptkb:prehnite
gptkb:calcite
quartz
laumontite
|
|
gptkbp:birefringence
|
0.027
|
|
gptkbp:category
|
borosilicate mineral
|
|
gptkbp:chemicalFormula
|
CaBSiO4(OH)
|
|
gptkbp:cleavage
|
poor
|
|
gptkbp:color
|
brown
white
yellow
colorless
pink
pale green
|
|
gptkbp:crystalSystem
|
monoclinic
|
|
gptkbp:discoveredBy
|
gptkb:Johan_Gottlieb_Gahn
|
|
gptkbp:discoveredIn
|
1806
|
|
gptkbp:event
|
hydrothermal veins
basaltic rocks
|
|
gptkbp:fluorescence
|
none
|
|
gptkbp:fracture
|
conchoidal
|
|
gptkbp:habit
|
prismatic crystals
massive
granular
nodular
|
|
gptkbp:hardnessMohs
|
5.0
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
datolite
|
|
gptkbp:IMA_symbol
|
Dat
|
|
gptkbp:location
|
gptkb:Arendal,_Norway
|
|
gptkbp:luster
|
greasy
vitreous
subvitreous
|
|
gptkbp:namedAfter
|
Greek words for 'to divide' and 'stone'
|
|
gptkbp:radioactive
|
non-radioactive
|
|
gptkbp:refractiveIndex
|
1.628–1.655
|
|
gptkbp:relatedGroup
|
nesosilicate
|
|
gptkbp:solubility
|
soluble in HCl
|
|
gptkbp:specificGravity
|
2.8
|
|
gptkbp:streak
|
white
|
|
gptkbp:symmetry
|
P21/c
|
|
gptkbp:tenacity
|
brittle
|
|
gptkbp:transparency
|
translucent
transparent
|
|
gptkbp:uses
|
granite
collector's mineral
|
|
gptkbp:bfsParent
|
gptkb:prehnite
gptkb:Prehnite
|
|
gptkbp:bfsLayer
|
7
|